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    Question

    What will be the effect of tillage on the thermal

    conductivity of soil?
    A Remain unchanged Correct Answer Incorrect Answer
    B Decreases Correct Answer Incorrect Answer
    C Increases Correct Answer Incorrect Answer
    D First increases then decrease Correct Answer Incorrect Answer

    Solution

    Tillage increases porosity, therefore contact between the soil particles will decrease, which will impact the heat transfer as air will be between the particles which is a bad conductor of heat

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